mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-25 16:47:38 +01:00
Rename: tests/ia64-test-stack.c -> tests/Gia64-test-stack.c
(Logical change 1.53)
This commit is contained in:
hp.com!davidm
parent
7849826bf9
commit
9c83634f04
1 changed files with 175 additions and 0 deletions
|
|
@ -0,0 +1,175 @@
|
|||
/* libunwind - a platform-independent unwind library
|
||||
Copyright (C) 2003 Hewlett-Packard Co
|
||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||
|
||||
This file is part of libunwind.
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining
|
||||
a copy of this software and associated documentation files (the
|
||||
"Software"), to deal in the Software without restriction, including
|
||||
without limitation the rights to use, copy, modify, merge, publish,
|
||||
distribute, sublicense, and/or sell copies of the Software, and to
|
||||
permit persons to whom the Software is furnished to do so, subject to
|
||||
the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be
|
||||
included in all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||||
|
||||
/* This file tests corner-cases of unwinding across multiple stacks.
|
||||
In particular, it verifies that the extreme case with a frame of 96
|
||||
stacked registers that are all backed up by separate stacks works
|
||||
as expected. */
|
||||
|
||||
#include <libunwind.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "ia64-test-stack.h"
|
||||
|
||||
#define panic(args...) \
|
||||
{ printf (args); ++nerrors; }
|
||||
|
||||
/* The loadrs field in ar.rsc is 14 bits wide, which limits all ia64
|
||||
implementations to at most 2048 physical stacked registers
|
||||
(actually, slightly less than that, because loadrs also counts RNaT
|
||||
slots). Since we can dirty 95 stacked registers per recursion, we
|
||||
need to recurse RECURSION_DEPTH times to ensure all physical
|
||||
stacked registers are in use. */
|
||||
#define MAX_PHYS_STACKED 2048
|
||||
#define RECURSION_DEPTH ((MAX_PHYS_STACKED + 94) / 95)
|
||||
|
||||
extern void touch_all (unsigned long recursion_depth);
|
||||
extern void flushrs (void);
|
||||
|
||||
int nerrors;
|
||||
int verbose;
|
||||
|
||||
void
|
||||
do_unwind_tests (void)
|
||||
{
|
||||
unw_word_t ip, sp, bsp, v0, v1, v2, v3, n0, n1, n2, n3, cfm, sof, sol, r32;
|
||||
int ret, reg, i, l;
|
||||
unw_context_t uc;
|
||||
unw_cursor_t c;
|
||||
|
||||
if (verbose)
|
||||
printf ("do_unwind_tests: here we go!\n");
|
||||
|
||||
/* do a full stack-dump: */
|
||||
unw_getcontext (&uc);
|
||||
unw_init_local (&c, &uc);
|
||||
i = 0;
|
||||
do
|
||||
{
|
||||
if (verbose)
|
||||
{
|
||||
if ((ret = unw_get_reg (&c, UNW_IA64_IP, &ip)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_SP, &sp)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_BSP, &bsp)) < 0)
|
||||
break;
|
||||
printf ("ip=0x%16lx sp=0x%16lx bsp=0x%16lx\n", ip, sp, bsp);
|
||||
|
||||
for (reg = 32; reg < 128; reg += 4)
|
||||
{
|
||||
v0 = v1 = v2 = v3 = 0;
|
||||
n0 = n1 = n2 = n3 = 0;
|
||||
((ret = unw_get_reg (&c, UNW_IA64_GR + reg, &v0)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_NAT + reg, &n0)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_GR + reg + 1, &v1)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_NAT + reg + 1, &n1)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_GR + reg + 2, &v2)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_NAT + reg + 2, &n2)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_GR + reg + 3, &v3)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_NAT + reg + 3, &n3)) < 0);
|
||||
if (reg < 100)
|
||||
printf (" r%d", reg);
|
||||
else
|
||||
printf (" r%d", reg);
|
||||
printf (" %c%016lx %c%016lx %c%016lx %c%016lx\n",
|
||||
n0 ? '*' : ' ', v0, n1 ? '*' : ' ', v1,
|
||||
n2 ? '*' : ' ', v2, n3 ? '*' : ' ', v3);
|
||||
if (ret < 0)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (i >= 1 && i <= NSTACKS)
|
||||
{
|
||||
if ((ret = unw_get_reg (&c, UNW_IA64_CFM, &cfm)) < 0)
|
||||
break;
|
||||
sof = cfm & 0x7f;
|
||||
if (sof != (unw_word_t) (i & 1))
|
||||
panic ("\texpected sof=%d, found sof=%lu\n", i - 1, sof);
|
||||
if (sof == 1)
|
||||
{
|
||||
if ((ret = unw_get_reg (&c, UNW_IA64_GR + 32, &r32)) < 0)
|
||||
break;
|
||||
if (r32 != (unw_word_t) (i - 1))
|
||||
panic ("\texpected r32=%d, found r32=%lu\n", i - 1, r32);
|
||||
}
|
||||
}
|
||||
else if (i > NSTACKS && i <= NSTACKS + RECURSION_DEPTH)
|
||||
{
|
||||
if ((ret = unw_get_reg (&c, UNW_IA64_CFM, &cfm)) < 0)
|
||||
break;
|
||||
sof = cfm & 0x7f;
|
||||
sol = (cfm >> 7) & 0x7f;
|
||||
if (sof != 96)
|
||||
panic ("\texpected sof=96, found sof=%lu\n", sof);
|
||||
if (sol != 95)
|
||||
panic ("\texpected sol=95, found sol=%lu\n", sol);
|
||||
|
||||
for (l = 2; l <= 93; ++l)
|
||||
{
|
||||
if ((ret = unw_get_reg (&c, UNW_IA64_GR + 33 + l, &v0)) < 0
|
||||
|| (ret = unw_get_reg (&c, UNW_IA64_NAT + 33 + l, &n0)) < 0)
|
||||
break;
|
||||
switch (l)
|
||||
{
|
||||
case 2: case 31: case 73: case 93:
|
||||
if (!n0)
|
||||
panic ("\texpected loc%d to be a NaT!\n", l);
|
||||
break;
|
||||
|
||||
default:
|
||||
if (n0)
|
||||
panic ("\tloc%d is unexpectedly a NaT!\n", l);
|
||||
v1 = ((unw_word_t) (i - NSTACKS) << 32) + l;
|
||||
if (v0 != v1)
|
||||
panic ("\tloc%d expected to be %lx, found to be %lx\n",
|
||||
l, v1, v0);
|
||||
}
|
||||
}
|
||||
}
|
||||
++i;
|
||||
}
|
||||
while ((ret = unw_step (&c)) > 0);
|
||||
|
||||
if (ret < 0)
|
||||
panic ("libunwind returned %d\n", ret);
|
||||
}
|
||||
|
||||
int
|
||||
main (int argc, char **argv)
|
||||
{
|
||||
if (argc > 1)
|
||||
++verbose;
|
||||
|
||||
touch_all (RECURSION_DEPTH);
|
||||
if (nerrors)
|
||||
{
|
||||
printf ("FAILURE: detected %d errors\n", nerrors);
|
||||
exit (-1);
|
||||
}
|
||||
if (verbose)
|
||||
printf ("SUCCESS\n");
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in a new issue